Seat arm



FIG. 1 is a front perspective view of a seat arm with environment;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a back elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a front perspective view of a seat arm with alternative environment;

FIG. 8 is a front elevation view thereof;

FIG. 9 is a left side view thereof;

FIG. 10 is a right side view thereof;

FIG. 11 is a back elevation view thereof;

FIG. 12 is a top plan view thereof;

FIG. 13 is a front perspective view of a seat arm with a second alternative environment;

FIG. 14 is a front elevation view thereof;

FIG. 15 is a left side view thereof;

FIG. 16 is a right side view thereof;

FIG. 17 is a back elevation view thereof; and,

FIG. 18 is a top plan view thereof.

The dashed broken line showing in the Figures is for illustrative purposes only and forms no part of the claimed design. 

CLAIM The ornamental design for a seat arm, as shown and described. 